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1231303002 = 23283725149
BaseRepresentation
bin100100101100100…
…0011000101011010
310011210220200011220
41021121003011122
510010203144002
6322103032510
742340621446
oct11131030532
93153820156
101231303002
11582047196
122a443b736
13168134577
14b975b826
15731707bc
hex4964315a

1231303002 has 16 divisors (see below), whose sum is σ = 2471311200. Its totient is φ = 408983472.

The previous prime is 1231302977. The next prime is 1231303033. The reversal of 1231303002 is 2003031321.

It is a super-2 number, since 2×12313030022 = 3032214165468424008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360877 + ... + 364272.

It is an arithmetic number, because the mean of its divisors is an integer number (154456950).

Almost surely, 21231303002 is an apocalyptic number.

1231303002 is an abundant number, since it is smaller than the sum of its proper divisors (1240008198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231303002 is a wasteful number, since it uses less digits than its factorization.

1231303002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725437.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1231303002 is about 35089.9273581465. The cubic root of 1231303002 is about 1071.8194803748.

Adding to 1231303002 its reverse (2003031321), we get a palindrome (3234334323).

The spelling of 1231303002 in words is "one billion, two hundred thirty-one million, three hundred three thousand, two".

Divisors: 1 2 3 6 283 566 849 1698 725149 1450298 2175447 4350894 205217167 410434334 615651501 1231303002